Finding the Fourth Proportional to 341,612.10, 512,418.15 and 229,637.70
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Solution
The fourth proportional to 341,612.10, 512,418.15 and 229,637.70 is: 344,456.55
Step by Step Solution
- Step 1: Write the proportion equation
341,612.10 : 512,418.15 = 229,637.70 : x - Step 2: Convert to fraction form
341,612.10/512,418.15 = 229,637.70/x - Step 3: Cross multiply
341,612.10x = 512,418.15 × 229,637.70 - Step 4: Simplify right side
341,612.10x = 117,670,525,404.26 - Step 5: Solve for x
x = 117,670,525,404.26/341,612.10 - Step 6: Final answer
x = 344,456.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.